What was one of steinbeck's primary purposes for writing the grapes of wrath

In his 1939 novel "The Grapes of wrath", John Steinbeck alludes to the Book of Revelations from "The Bible" , to capture the public’s attention to the dehumanizing essence of capitalism reified with The Great Depresion of his time, and to share his socio-economical views, as he expressed it on a later interview: “to rip a reader's nerves to rags” and "to make the reader participate in the actuality", with the history of America, a family’s struggle for survival, the troubles of Christian life; all relevant and logical with that period of American history.

Explanation:

b. and i with my fighting heart, i thought at

first / to steal up to him [the cyclops].   the cyclops’ actions first odysseus to take

action after killing his men and trapping in the cave revealed his intent of

doing them harm.   that is why odysseus

blinded him to enable him and his men to escape.